EPA Air · stack tests by county and year

Air-emissions stack tests in DeKalb County, Indiana, 2023

41Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in DeKalb County, Indiana during 2023. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the DeKalb County facility page.

DeKalb County, Indiana, 2023

Air-emissions stack tests in DeKalb County, other years

What stands out

Stack tests in DeKalb County, Indiana, rose from 30 in 2022, the previous year on file, to 41 in 2023.
The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
Its 41 stack tests rank 10th of the 60 county cells in Indiana for 2023.
Its 41 stack tests are 2.8% of the 1,487 the state’s file holds for 2023.

Every line is computed by formula from the state’s stored file; nothing is estimated.

Air-emissions stack tests recorded in DeKalb County, Indiana, 2023

Date	Facility	Kind	Agency
2023-09-22	METAL TECHNOLOGIES AUBURN LLC — high-priority violation on file	Pass	State
2023-07-11	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-05-16	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-26	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-26	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-26	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-26	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-26	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-26	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-17	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-06	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-06	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-06	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Fail	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Pass	State
2023-04-05	STEEL DYNAMICS, INC. FLAT ROLL GROUP, BUTLER DIVISION — high-priority violation on file	Fail	State
2023-03-24	METAL TECHNOLOGIES AUBURN LLC — high-priority violation on file	Pass	State
2023-03-23	THERMA TRU CORPORATION	Pass	State
2023-03-23	THERMA TRU CORPORATION	Pass	State
2023-03-23	THERMA TRU CORPORATION	Pass	State
2023-03-23	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State
2023-03-22	THERMA TRU CORPORATION	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in DeKalb county, IN, in 2023. It lists 41 stack tests recorded in 2023.